When U.S. Firm Releases Its Quarterly Results, It Will Also Shed Light on E-Commerce Giant

It's a big week for tech earnings, including Google Inc., International Business Machines Corp. and Intel Corp. But the most interesting news may come from Yahoo Inc., which will release revenue and profit numbers from Alibaba Group Holding Ltd.

Those figures are expected to show a big fourth quarter for Alibaba, thanks in part to huge sales for its annual one-day shopping festival—on Nov. 11—that is larger than the two biggest...